If you spend your time removing seeds and the core from a bell pepper before cutting it, Reddit user mechanical_fungineer suggests a far simpler method: cut around the core and skip those steps entirely.

Start by cutting off the top and bottom of the bell pepper and then cut away the sides. What you're left with is the core and seeds all stuck together in a nice, clean structure. You won't have to worry about cleaning up the seeds that have fallen everywhere or cutting up the core.